Neuropsychiatrics disease in general in particular for affective disorders such as anxiety and depression Neuropsychiatric diseases
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Healthy, male and female subjects between 25-65 of age, inclusive. For cohort 2: between 40 and 75 years of age, inclusive. - Female participants must be postmenopausal or must be on hormonal contraception for at least 6 months regulating the menstrual cycle. - Subjects must have a BMI between > 18.0 and 30.0 kg/m2, inclusive (BMI*
Exclusion criteria
Exclusion criteria: - Pregnant woman. - Past or present history of any clinically relevant psychiatric disorder as classified according to DSM-IV or DSM 5, mood, anxiety and psychotic disorders in particular. - Subject has a history of drug or alcohol use disorder according to DSM-IV or DSM 5 within 12 months before screening or has a positive test result(s) for alcohol and/or drugs of abuse (including but not limited to: opiates (including methadone), cocaine, amphetamines, methamphetamines, cannabinoids, barbiturates, and benzodiazepines) at screening or admission to the clinical unit. - Significant coagulation abnormality (e.g. hemophilia, platelet counts less than the lower limit of normal or clinically significant elevation in PT or PTT at screening), or has a medical condition requiring treatment with an anticoagulant (e.g. warfarin) or with two or more antiplatelet agents. Platelet counts between 125,000 and 150,000/microliter are permissible as long as the investigator confirms there is no evidence of current bleeding diathesis or coagulopathy. - Subject has abnormalities upon fundoscopy indicating an increased Intracranial Pressure (ICP), unless assessed as safe by principal investigator when no further evidence is present indicating ICP. - History of clinically significant back pathology and/or back injury (e.g. degenerative disease, spinal deformity, or spinal surgery) that may predispose to complications or technical difficulty with the spinal catheter.* - Subject smokes cigarettes (or equivalent) and/or has used nicotine-based products within 3*months prior to spinal catheter insertion ; positive cotinine test at screening and admission. - Subject has a history of heparin allergy. - Subject has undergone major lifestyle changes in the previous 6 months: significant weight loss > 5kg or started a specific diet which could potentially result in weight loss. - Vulnerable subjects (e.g., a person kept in detention or a person under guardianship). - Subject is unable to read and understand the consent forms, complete study-related procedures, and/or communicate with the study staff. - Unsuitable veins for cannulation and/or repeated venepuncture. - Diagnosis or suspicions of any sleep disorder in the last 6 months or current complaints of sleep disturbance, irregular sleep schedule or shift work; habitual daytime naps; travel across time zones in the last 4 weeks or daytime symptoms attributable to unsatisfactory sleep. - Use of a prescription medicine and or over-the-counter medicine influencing the sleeping habits (such as benzodiazepines, melatonin) or occasional use (last 6 months) of cannabis (in all its forms including the use of cannabidiol (CBD)).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| * CSF and plasma 2-AG * CSF and plasma 1-AG | — |
Secondary
| Measure | Time frame |
|---|---|
| * CSF and plasma 2-AG and 1-AG * CSF BDNF * plasma ACTH * serum cortisol * serum prolactin * sleep duration, sleep onset and time to wake * sleep cycles: deep, light, REM phases * BMI * total body fat | — |
Countries
Netherlands